Monday, March 16, 2009

C Operator Precedence

()
[]
.
->
++ --
Parentheses (function call)
Brackets (array subscript)
Member selection via object name
Member selection via pointer
Postfix increment/decrement

left-to-right

++ --
+ -
! ~
(type)
*
&
sizeof
Prefix increment/decrement
Unary plus/minus
Logical negation/bitwise complement
Cast (change type)
Dereference
Address
Determine size in bytes
right-to-left
* / % Multiplication/division/modulus left-to-right
+ - Addition/subtraction left-to-right
<< >> Bitwise shift left, Bitwise shift right left-to-right
< <=
> >=
Relational less than/less than or equal to
Relational greater than/greater than or equal to
left-to-right
== != Relational is equal to/is not equal to left-to-right
& Bitwise AND left-to-right
^ Bitwise exclusive OR left-to-right
| Bitwise inclusive OR left-to-right
&& Logical AND left-to-right
|| Logical OR left-to-right
?: Ternary conditional right-to-left
=
+= -=
*= /=
%= &=
^= |=
<<= >>=
Assignment
Addition/subtraction assignment
Multiplication/division assignment
Modulus/bitwise AND assignment
Bitwise exclusive/inclusive OR assignment
Bitwise shift left/right assignment
right-to-left

,

Comma (separate expressions) left-to-right

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